Marbles Is a Calico Cat with a Manx Tail

Marbles is a calico cat with a Manx tail.She wants to have kittens with a male calico,but can't find one.Male calicos are rare;the only ones have the sex chromosome constitution XXY.Male calicos are therefore rare because

A) all male cats have a dominant gene on the Y chromosome that masks the calico gene on the X chromosome.
B) most male cats only have one Y chromosome,so it cannot be shut off.
C) most male cats have only one X chromosome,so it cannot be shut off.
D) male calico cats lack sex chromosomes.